.access-btn {
    margin: 0; /* 确保按钮没有额外的左边距 */
    width: 100%; /* 如果需要按钮占满下拉框宽度 */
}

.dropdown-toggle {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
    border-radius: 5px;
}

.avatar-container:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.dropdown-item:hover {
    background-color: #ddd;
}

